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    Cold water supply to a bathroom washbasin in a modern flat?

    I refer to modern purpose-built flats - built within the last 35 years, say. How common is it, in this type of accommodation, for the cold water supply to a bathroom washbasin to come indirectly through a cold water storage tank? Or is it far more common for the cold water supply to come...
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    The cold water supply to kitchen sinks and bathroom washbasins

    For residential housing, what are the current regulations and/or recommended/standard practices regarding the supply of cold water to the taps on kitchen sinks and bathroom washbasins? Must the supply come directly from the mains or can it come from the cold water storage tank? Or is the...
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    Need to cap a hole after removing an overflow pipe

    I have an overflow pipe (standard diameter 21.5mm) sticking out through a hole in a white uPVC fascia board at our house, but the overflow pipe is no longer required and could be removed. However, before removing it, I need some way of capping the hole - a white barrel plug, for example. Does...
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    How to determine the right shape and size of a Wirquin Macdee Metro Rapid siphon for a specific cistern

    I am planning to get a new WC for the downstairs cloakroom in our house. We have two possible WCs in mind. Both have a cistern with a lever rather than a push button on the middle of the lid, which is what my wife and I prefer. I am concerned about the siphons supplied with the cisterns. I have...
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    Require lid and insulation jacket for a cold water storage tank in loft

    I have two 114 litre / 25 gallon cold water storage (header) tanks connected in series in my loft. They feed the cold water taps on my baths (including the showers) and the hot water cylinder. They are open top, rectangular tanks, but have insulation jackets with integral lids - that is, the lid...
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    Should I try to adjust the lockshield valve of a radiator with a TRV?

    When British Gas installed my new boiler, they also put TRVs and new lockshield valves on the radiators in the bedrooms of my house. I’ve not been very happy with the performance of one of the radiators since then. Even when the TRV is on its highest setting, the radiator does not get very...
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    Two questions about a bypass valve

    I have a central heating system with two zone valves, one for the hot water circuit and the other for the radiator circuit. I have a bypass valve installed between the flow after the pump and the return to the boiler. In case it helps, the bypass valve is a Taconova AV23 SETTER Inline with a...
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    Seeking a precise definition of a "one-pipe system"?

    I havebeen trying to discover the precise definition of a “one-pipe system” forcentral heating radiators. I know what atwo-pipe system is. For aone-pipe system, there “appear” to be two possibilities: Possibility1: The pipe carrying water from the pump enters the first radiator at the...
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    Query about a valve in a central heating system bypass loop

    I havean open vented central heating system with an expansion tank in the loft. The system has two zone valves; one for the hot watercircuit (coil in a cylinder) and the other for the heating circuit (radiators). The radiators in the bedrooms have TRVs; allthe remaining radiators in the house...
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